Sliding door



FIG. 1 is a front view of the sliding door showing the environment in dashed lines not claimed as part of the invention;

FIG. 2 is a left side view of the sliding door showing the environment in dashed lines not claimed as part of the invention;

FIG. 3 is a right side view of the sliding door showing the environment in dashed lines not claimed as part of the invention;

FIG. 4 is a top view of the sliding door showing the environment in dashed lines not claimed as part of the invention;

FIG. 5 is a bottom view of the sliding door showing the environment in dashed lines not claimed as part of the invention;

FIG. 6 is a front angled perspective view of the sliding door showing the environment in dashed lines not claimed as part of the invention; and,

FIG. 7 is a front angled perspective view of the sliding door showing the environment in dashed lines not claimed as part of the invention.

The broken lines shown in FIGS. 1-7 illustrate portions of the sliding door that form no part of the claimed design. 

CLAIM The ornamental design for a sliding door, as shown and described. 